S
M
T
W
T
F
S
27
68°
57°
28
70°
55°
29
66°
61°
30
75°
59°
1
68°
43°
2
64°
37°
3
72°
50°
4
70°
43°
5
73°
39°
6
84°
55°
7
75°
46°
8
70°
43°
9
75°
50°
10
90°
63°
11
N/A
12
77°
49°
13
60°
44°
14
60°
43°
15
59°
38°
16
56°
32°
17
60°
40°
18
66°
42°
19
65°
48°
20
69°
46°
21
62°
41°
22
63°
45°
23
64°
45°
24
54°
32°
25
61°
38°
26
56°
38°
27
54°
30°
28
47°
33°
29
56°
36°
30
52°
33°
31
56°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Fairfax
Fairfax's October 2026 forecast shows daily high temperatures ranging from 47° to 77°, with overnight lows between 30° and 49°. The average high for October is 60° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Fairfax. See also: November | December | January.
